Petar Avramovic 36beaa3ba3 Reland AMDGPU/GlobalISel: Combine zext(trunc x) to x after RegBankSelect ...

Recommit bf5a582650. Depends on
4c8fb7ddd6 which was reverted.

RegBankSelect creates zext and trunc when it selects banks for uniform i1.
Add zext_trunc_fold from generic combiner to post RegBankSelect combiner.

Differential Revision: https://reviews.llvm.org/D95432

2021-03-05 11:05:37 +01:00

49 KiB

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